Add unit test

Src/Asp.NetCore2/SqlSeverTest/UnitTest/Main.cs

@@ -31,6 +31,7 @@ namespace OrmTest
         }
         public static void Init()
         {
+            UnitOneToMany2.Init();
             UnitOneToMany.Init();
             UnitOneToOneDel.Init();
             EntityInfoTest.Init();

Src/Asp.NetCore2/SqlSeverTest/UnitTest/UnitOneToMany2.cs

@@ -0,0 +1,71 @@
+using System;
+using System.Collections.Generic;
+using System.Net.Http.Headers;
+using System.Text;
+
+namespace OrmTest
+{
+    internal class UnitOneToMany2
+    {
+        public static void Init() 
+        {
+            var db = NewUnitTest.Db;
+            db.CodeFirst.InitTables<UnitPerson011, UnitAddress011, UnitCity>();
+            db.DbMaintenance.TruncateTable<UnitPerson011, UnitAddress011, UnitCity>();
+
+            var address = new UnitAddress011
+            {
+                Street = "123 Main Street",
+                 CityId=1,Persons=new List<UnitPerson011>() {
+                 new UnitPerson011
+                        {
+                            Name = "John Doe" 
+               
+                        }
+                 },
+                 City=new UnitCity() { 
+                  AddressId=1,
+                   Name="city"
+                 }
+            }; 
+           
+            db.InsertNav(address)
+                .IncludeByNameString("Persons")
+                .IncludeByNameString("City").ExecuteCommand();
+
+            var list = db.Queryable<UnitAddress011>().Includes(x => x.Persons).Includes(x => x.City).ToList();
+        }
+
+        [SqlSugar.SugarTable("UnitPerson01x1")]
+        public class UnitPerson011
+        {
+            [SqlSugar.SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+            public int Id { get; set; }
+            public string Name { get; set; }
+            public int AddressId { get; set; }
+        }
+
+        [SqlSugar.SugarTable("UnitCityaa")]
+        public class UnitCity
+        {
+            [SqlSugar.SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+            public int Id { get; set; }
+            public string Name { get; set; }
+            public int AddressId { get; set; }
+        }
+
+        [SqlSugar.SugarTable("UnitAddressx011")]
+        public class UnitAddress011
+        {
+            [SqlSugar.SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+            public int Id { get; set; }
+            public string Street { get; set; }
+            [SqlSugar.Navigate(SqlSugar.NavigateType.OneToMany, nameof(UnitPerson011.AddressId))]
+            public List<UnitPerson011> Persons { get; set; }
+            [SqlSugar.SugarColumn(IsNullable =true)]
+            public int CityId { get; set; }
+            [SqlSugar.Navigate(SqlSugar.NavigateType.OneToOne, nameof(CityId))]
+            public UnitCity City { get; set; }
+        }
+    }
+}